Dy
Dysprosium · element 66
Lanthanide · Solid at room temperature
Dysprosium is a chemical element with the symbol Dy and atomic number 66. It is a rare earth element with a metallic silver luster. Dysprosium is never found in nature as a free element, though it is found in various minerals, such as xenotime.
Key facts
Atomic mass
162.5001 u
how heavy one atom is
Phase (room temp.)
Solid
Density
8.54 g/cm³
how tightly packed it is
Melting point
1680 K (1407 °C)
when solid turns to liquid
Boiling point
2840 K (2567 °C)
when liquid turns to gas
Period
6
its row in the periodic table
Group
3
its column in the periodic table
Block
F-block
the neighbourhood it lives in
Electronegativity
1.22
how strongly it pulls electrons
Electron configuration
[Xe] 4f10 6s2
where its electrons live
Shells
2 · 8 · 18 · 28 · 8 · 2
electrons in each layer, inside to out
Discovered by
Lecoq de Boisbaudran
who found it
Appearance
silvery white
what it looks like
Source: Wikipedia